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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">tuple_select_range</span><span data-if="c" style="display:none;">tuple_select_range</span><span data-if="cpp" style="display:none;">TupleSelectRange</span><span data-if="dotnet" style="display:none;">TupleSelectRange</span><span data-if="python" style="display:none;">tuple_select_range</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">tuple_select_range</span><span data-if="c" style="display:none;">tuple_select_range</span><span data-if="cpp" style="display:none;">TupleSelectRange</span><span data-if="dotnet" style="display:none;">TupleSelectRange</span><span data-if="python" style="display:none;">tuple_select_range</span></code> — Select several elements of a tuple.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>tuple_select_range</b>( :  : <a href="#Tuple"><i>Tuple</i></a>, <a href="#Leftindex"><i>Leftindex</i></a>, <a href="#Rightindex"><i>Rightindex</i></a> : <a href="#Selected"><i>Selected</i></a>)</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>tuple_select_range</b>(const Hlong <a href="#Tuple"><i>Tuple</i></a>, const Hlong <a href="#Leftindex"><i>Leftindex</i></a>, const Hlong <a href="#Rightindex"><i>Rightindex</i></a>, Hlong* <a href="#Selected"><i>Selected</i></a>)</code></p>
<p>
<code>Herror <b>T_tuple_select_range</b>(const Htuple <a href="#Tuple"><i>Tuple</i></a>, const Htuple <a href="#Leftindex"><i>Leftindex</i></a>, const Htuple <a href="#Rightindex"><i>Rightindex</i></a>, Htuple* <a href="#Selected"><i>Selected</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>TupleSelectRange</b>(const HTuple&amp; <a href="#Tuple"><i>Tuple</i></a>, const HTuple&amp; <a href="#Leftindex"><i>Leftindex</i></a>, const HTuple&amp; <a href="#Rightindex"><i>Rightindex</i></a>, HTuple* <a href="#Selected"><i>Selected</i></a>)</code></p>
<p>
<code><a href="HTuple.html">HTuple</a> <a href="HTuple.html">HTuple</a>::<b>TupleSelectRange</b>(const HTuple&amp; <a href="#Leftindex"><i>Leftindex</i></a>, const HTuple&amp; <a href="#Rightindex"><i>Rightindex</i></a>) const</code></p>
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<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>TupleSelectRange</b>(<a href="HTuple.html">HTuple</a> <a href="#Tuple"><i>tuple</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Leftindex"><i>leftindex</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Rightindex"><i>rightindex</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Selected"><i>selected</i></a>)</code></p>
<p>
<code><a href="HTuple.html">HTuple</a> <a href="HTuple.html">HTuple</a>.<b>TupleSelectRange</b>(<a href="HTuple.html">HTuple</a> <a href="#Leftindex"><i>leftindex</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Rightindex"><i>rightindex</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>tuple_select_range</b>(<a href="#Tuple"><i>tuple</i></a>: MaybeSequence[Union[float, int, str]], <a href="#Leftindex"><i>leftindex</i></a>: MaybeSequence[int], <a href="#Rightindex"><i>rightindex</i></a>: MaybeSequence[int]) -&gt; Sequence[Union[float, int, str]]</code></p>
<p>
<code>def <b>tuple_select_range_s</b>(<a href="#Tuple"><i>tuple</i></a>: MaybeSequence[Union[float, int, str]], <a href="#Leftindex"><i>leftindex</i></a>: MaybeSequence[int], <a href="#Rightindex"><i>rightindex</i></a>: MaybeSequence[int]) -&gt; Union[float, int, str]</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">tuple_select_range</span><span data-if="c" style="display:none">tuple_select_range</span><span data-if="cpp" style="display:none">TupleSelectRange</span><span data-if="com" style="display:none">TupleSelectRange</span><span data-if="dotnet" style="display:none">TupleSelectRange</span><span data-if="python" style="display:none">tuple_select_range</span></code> selects several consecutive elements of the
input tuple <a href="#Tuple"><i><code><span data-if="hdevelop" style="display:inline">Tuple</span><span data-if="c" style="display:none">Tuple</span><span data-if="cpp" style="display:none">Tuple</span><span data-if="com" style="display:none">Tuple</span><span data-if="dotnet" style="display:none">tuple</span><span data-if="python" style="display:none">tuple</span></code></i></a> and returns them with <a href="#Selected"><i><code><span data-if="hdevelop" style="display:inline">Selected</span><span data-if="c" style="display:none">Selected</span><span data-if="cpp" style="display:none">Selected</span><span data-if="com" style="display:none">Selected</span><span data-if="dotnet" style="display:none">selected</span><span data-if="python" style="display:none">selected</span></code></i></a>.
At this, <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> determines the index of the first element
and <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a> determines the index of the last element to select.
Thus, both parameters <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> and <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a> must
contain a single integer value (any floating point number must
represent an integer value without fraction). Indices of tuple elements
start at 0, that means, the first tuple element has got the index 0.
The result tuple <a href="#Selected"><i><code><span data-if="hdevelop" style="display:inline">Selected</span><span data-if="c" style="display:none">Selected</span><span data-if="cpp" style="display:none">Selected</span><span data-if="com" style="display:none">Selected</span><span data-if="dotnet" style="display:none">selected</span><span data-if="python" style="display:none">selected</span></code></i></a> contains every element from the
tuple <a href="#Tuple"><i><code><span data-if="hdevelop" style="display:inline">Tuple</span><span data-if="c" style="display:none">Tuple</span><span data-if="cpp" style="display:none">Tuple</span><span data-if="com" style="display:none">Tuple</span><span data-if="dotnet" style="display:none">tuple</span><span data-if="python" style="display:none">tuple</span></code></i></a> that has got an index between <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a>
and <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a> (including the elements at position
<a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> and <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a>). If the indices are equal,
only one element is selected.
In addition, it is possible that the right index is <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> - 1.
In this case and if the left or right index are valid an empty tuple
is returned. Hence, the index <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a> must be greater or
equal to <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> - 1.
</p>
<h3>Exception: Empty input tuples</h3>
<p>If <a href="#Leftindex"><i><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></i></a> and <a href="#Rightindex"><i><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></i></a> are empty tuples, 该算子
returns an empty tuple. If only one of those parameters or <a href="#Tuple"><i><code><span data-if="hdevelop" style="display:inline">Tuple</span><span data-if="c" style="display:none">Tuple</span><span data-if="cpp" style="display:none">Tuple</span><span data-if="com" style="display:none">Tuple</span><span data-if="dotnet" style="display:none">tuple</span><span data-if="python" style="display:none">tuple</span></code></i></a>
is an empty tuple, an exception is raised.
</p>
<h3>HDevelop In-line Operation</h3>
<p>HDevelop provides an in-line operation for <code><span data-if="hdevelop" style="display:inline">tuple_select_range</span><span data-if="c" style="display:none">tuple_select_range</span><span data-if="cpp" style="display:none">TupleSelectRange</span><span data-if="com" style="display:none">TupleSelectRange</span><span data-if="dotnet" style="display:none">TupleSelectRange</span><span data-if="python" style="display:none">tuple_select_range</span></code>,
which can be used in an expression in the following syntax:
</p>
<p><a href="../../manuals/hdevelop_users_guide/hdevelop_language_operations_tuple_0000.html">
<code>Selected := Tuple[Leftindex:Rightindex]</code>
</a>
</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>Multithreading type: independent (runs in parallel even with exclusive operators).</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  <li>未经并行化处理。</li>
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Tuple" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Tuple</span><span data-if="c" style="display:none">Tuple</span><span data-if="cpp" style="display:none">Tuple</span><span data-if="com" style="display:none">Tuple</span><span data-if="dotnet" style="display:none">tuple</span><span data-if="python" style="display:none">tuple</span></code></b> (input_control)  </span><span>tuple(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[float, int, str]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer / </span><span data-if="hdevelop" style="display:inline">real / </span><span data-if="hdevelop" style="display:inline">string)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long / </span><span data-if="dotnet" style="display:none">double / </span><span data-if="dotnet" style="display:none">string)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i> / </span><span data-if="cpp" style="display:none">double / </span><span data-if="cpp" style="display:none">HString)</span><span data-if="c" style="display:none"> (<i>Hlong</i> / </span><span data-if="c" style="display:none">double / </span><span data-if="c" style="display:none">char*)</span></span>
</div>
<p class="pardesc">Input tuple.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Leftindex" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Leftindex</span><span data-if="c" style="display:none">Leftindex</span><span data-if="cpp" style="display:none">Leftindex</span><span data-if="com" style="display:none">Leftindex</span><span data-if="dotnet" style="display:none">leftindex</span><span data-if="python" style="display:none">leftindex</span></code></b> (input_control)  </span><span>integer(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Index of first element to select.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Rightindex" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Rightindex</span><span data-if="c" style="display:none">Rightindex</span><span data-if="cpp" style="display:none">Rightindex</span><span data-if="com" style="display:none">Rightindex</span><span data-if="dotnet" style="display:none">rightindex</span><span data-if="python" style="display:none">rightindex</span></code></b> (input_control)  </span><span>integer(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[int]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Index of last element to select.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Selected" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Selected</span><span data-if="c" style="display:none">Selected</span><span data-if="cpp" style="display:none">Selected</span><span data-if="com" style="display:none">Selected</span><span data-if="dotnet" style="display:none">selected</span><span data-if="python" style="display:none">selected</span></code></b> (output_control)  </span><span>tuple(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[Union[float, int, str]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer / </span><span data-if="hdevelop" style="display:inline">real / </span><span data-if="hdevelop" style="display:inline">string)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long / </span><span data-if="dotnet" style="display:none">double / </span><span data-if="dotnet" style="display:none">string)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i> / </span><span data-if="cpp" style="display:none">double / </span><span data-if="cpp" style="display:none">HString)</span><span data-if="c" style="display:none"> (<i>Hlong</i> / </span><span data-if="c" style="display:none">double / </span><span data-if="c" style="display:none">char*)</span></span>
</div>
<p class="pardesc">Selected tuple elements.</p>
</div>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="tuple_select.html"><span data-if="hdevelop" style="display:inline">tuple_select</span><span data-if="c" style="display:none">tuple_select</span><span data-if="cpp" style="display:none">TupleSelect</span><span data-if="com" style="display:none">TupleSelect</span><span data-if="dotnet" style="display:none">TupleSelect</span><span data-if="python" style="display:none">tuple_select</span></a></code>, 
<code><a href="tuple_first_n.html"><span data-if="hdevelop" style="display:inline">tuple_first_n</span><span data-if="c" style="display:none">tuple_first_n</span><span data-if="cpp" style="display:none">TupleFirstN</span><span data-if="com" style="display:none">TupleFirstN</span><span data-if="dotnet" style="display:none">TupleFirstN</span><span data-if="python" style="display:none">tuple_first_n</span></a></code>, 
<code><a href="tuple_last_n.html"><span data-if="hdevelop" style="display:inline">tuple_last_n</span><span data-if="c" style="display:none">tuple_last_n</span><span data-if="cpp" style="display:none">TupleLastN</span><span data-if="com" style="display:none">TupleLastN</span><span data-if="dotnet" style="display:none">TupleLastN</span><span data-if="python" style="display:none">tuple_last_n</span></a></code>, 
<code><a href="tuple_select_mask.html"><span data-if="hdevelop" style="display:inline">tuple_select_mask</span><span data-if="c" style="display:none">tuple_select_mask</span><span data-if="cpp" style="display:none">TupleSelectMask</span><span data-if="com" style="display:none">TupleSelectMask</span><span data-if="dotnet" style="display:none">TupleSelectMask</span><span data-if="python" style="display:none">tuple_select_mask</span></a></code>, 
<code><a href="tuple_str_bit_select.html"><span data-if="hdevelop" style="display:inline">tuple_str_bit_select</span><span data-if="c" style="display:none">tuple_str_bit_select</span><span data-if="cpp" style="display:none">TupleStrBitSelect</span><span data-if="com" style="display:none">TupleStrBitSelect</span><span data-if="dotnet" style="display:none">TupleStrBitSelect</span><span data-if="python" style="display:none">tuple_str_bit_select</span></a></code>, 
<code><a href="tuple_concat.html"><span data-if="hdevelop" style="display:inline">tuple_concat</span><span data-if="c" style="display:none">tuple_concat</span><span data-if="cpp" style="display:none">TupleConcat</span><span data-if="com" style="display:none">TupleConcat</span><span data-if="dotnet" style="display:none">TupleConcat</span><span data-if="python" style="display:none">tuple_concat</span></a></code>, 
<code><a href="tuple_select_rank.html"><span data-if="hdevelop" style="display:inline">tuple_select_rank</span><span data-if="c" style="display:none">tuple_select_rank</span><span data-if="cpp" style="display:none">TupleSelectRank</span><span data-if="com" style="display:none">TupleSelectRank</span><span data-if="dotnet" style="display:none">TupleSelectRank</span><span data-if="python" style="display:none">tuple_select_rank</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="tuple_remove.html"><span data-if="hdevelop" style="display:inline">tuple_remove</span><span data-if="c" style="display:none">tuple_remove</span><span data-if="cpp" style="display:none">TupleRemove</span><span data-if="com" style="display:none">TupleRemove</span><span data-if="dotnet" style="display:none">TupleRemove</span><span data-if="python" style="display:none">tuple_remove</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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